Can-body-flanging machine.



P. J. SMITH.

CAN BODY FLANGING MACHINE.

APPLICATION FILED-SEPT. 12, 1911. 1,1 Piil'filltfid 0013. 20, 1914.

3 BHBBTE-BHEET 1.

THE NORRIS PETERS ca. PHOTO-LITHO.. WASHINGTON.

F. J. SMITH. GAN BODY FLANGING MACHINE.

APPLIUATION'FILED SEPT. 12, 1911.

1,1 14,301, Patented Oct. 20, 1914.

3 SHEETS-SHBET 2 IHE NURRIS PETERS co., PHOm-LITHA, WASHING FUN L1v F.J. SMITH.

GGGGGGGGGGGGGGGGGGGGGG E.

A IIIIIIIIIIIIIIIII PT. 111111 1. 1,1 14,301 Patented 0ct.2 0,1914.

. 3 s11 EEEEEEEEEE 3.

u/ Wkly,

by suitable power.

mvrrnp STATES PATENT onnioE.

FRANK J. SMITH, orv SAN ,rn-ano sco, cannon-nits, ASSIGNOR OF'ONE-HALETO CALL IEORNIA ,rnuircsnnnns essooratrion', on at. rnmvorsoo,GALIEORNIA.

oAN- nonY -rnrrneme ivrnonmn.

Specification 'of Letters Patent.

Application filed September 12,1911. Serial No; 648,848.

To. aZZw 710m. it may concern Be it known thatv I, FRANK. J. SMITH,

citizen of the UnitedStates, residing in the city and county of SanFrancisco andstate of California, have invented new and usefulImprovements in Can-Body-Flanging Mag chines,.of which the following. isa specification. w I y I My invention relates to the class of machinesfor making the flanges on theends of can-bodies,.which flanges areintended to be assembled. with, the flanges, on the' can heads,- andsaid assembled flangesloent and doubled together and pressed dow'n inthe now well. known operation of double seam? s- The object of myinventionis to provide a simple and eifective machine for Hanging theends of the can-body, and to this end my invention consists in the novelo'onstructions, arrangements. and combinations of, parts which 1' shallhereinafter fully describe and claim, by reference to the accompanyingdrawings in which Figure 1 is a plan view of-Iny machine, the'flanging-heads in the upper and lower positions, and the can feed chutebeing omitted. Fig. 2 is a vertical section ofthe machine. Fig. 3 is asectional view, enlarged, of one pair of Hanging-heads, showing; them inposition about to operate on a can. Fig, 4 is a. similar view showing.the Hanging-heads pressed in and'the flanges on the can thereby formed.

The frame of the machine is composed of the stand 1 and the end plates2. Inthe end plates is mounted the main shaft. 3, to which a continuousrotation is tobe applied Upon the shaft .3 are mounted the spidershtwoin number, and here shown as having four arms. In bean ings 5 on theextremitiesof. the armsof'the spiders 4 the stems or spindles 6. of theflanging heads 7 are slidably and non-turn. ably mounted. Their innersurfaces are formed with the annular grooves 11, from v the inner wallsof which project the" con atentedflct. 20,1914."

adapted-to receive and. support'thecan-body Q 9 while itiszbeingflanged. The semicircular rests 8' have'grooves 8' in front of the planeofuthe tape-ring, portions; 12. and extending endwise toward andintersecting with'thebottom wall of-the groovellz It. will 1 now be seenthat as the. flanging heads revolve, the'can' bodies restingia-gainstsupports 20,. Figs. 2., will; successively drop by gravity onto thesuccessive pairs. of rests 8 of-the. flanging heads. In this positionthey are itemporarily.held? byan. overlying concentric guard frail-13,.Fig. 2.. As the. op-

Josing flangingheads reach: therupperfpontions of their revolution.about the-shaft-ii', they are moved toward each other from the positionshown. 111i.Fig-. 31 to; the position shown inFig h. Duringthis-movement the tapering promoting portions..12. of said heads enterthe open ends. of the,- can-body,

formingv itiipcrfectly cylindrical. as itap 'proaches. the largestdiameter. As? the ends of the. can bod'y .come' in contact with..the

roundedv cornersofthe grooves 11, theyIare" turned outwardly, forming.flanges, the. I die ameters of which are determined. by the width ofthegrooves at. the bottom. Asithe revolution of the machine. continues,the

flanging heads are withdrawn until one. or the other of the. flanges ofthe; can-body comes in contact with. the: shoulder of the groove 8, andas the Hanging heads. eon-. tinue to withdraw, the can=body will bepulled outof the-opposite fiangingheads-in which it may have jammed; theshoulder ofthe groovethus acting. as anpositive ext tractor; Thehanging. heads. having. been carried around bv theshaftzB. to. the.lowerportion of their revolution, and the. rests. 8 of the headsbeinn'.now inverted,; the) cane body, now free,.will drop. 1 out i of said:heads by gravity and move away in. the discharge runway14c. In ordertoactnate. the flangg' ing heads, rollers 17 are journaled on pins '17,projectingfrom the spindles 6 and these rollers travel 'in' annularchanneled cam tracks 18 attached to the plate 2 andwhich are adapted tomove the heads to and from each other. \Vhen the h eads reach nearly apoint where "the flanges begin to be formed on the can-body; rollers 15,which are journaled-in the ends of the spindle 6, come in contact withadjustable camgtracks 16 on the plate 2, Fig. 1, which force the headstoward each other and from the flanges. This is to exert a directpressure on the center of the heads, and this cam does not extend beyondwhere it is required to do this work. In order to secure a properadjustment of the flangin ried by adjustable screw-hangers 19,

An important feature in this invention is the positive, eifective andaccurate structure which extracts the flanged body from the flangingheads and bring it to a position where it will be free to move, out ofthe machine. This structure comprises the peculiarly designed seats orrests 7 with their segmental, internal recesses 'or grooves 8. When theflanges have been formed and the heads move apart, one or the other ofthe shoulders of the groove 8 will abut the adjacent body flange, andthen further movement of'the heads will pull'the other flange from thechannel or groove 11 in the other head until thecan-body isentirelyfreed, asi'ndicated at the lower part of Fig. 1.

Having thus described my invention,

what I claim as new and desire to secure by Letters Patent is I 1. In acan-body flanging machine, the combination of apair of opposing flangingheads, each head having a portion of its inner side extended asubstantial distance to form a segmental rest, tor'eceive' and supportthe can-body, and each head having also in its inner face an annulargroove with a tapering portion rigid with the head and projecting fromthe inner wall of said groove, said tapering portion being adapted toenter the open end of thecan-body, and the groove being adapted to formthe flange on said end, means for delivering the can to the heads, meansfor revolving said heads past the station of can-body deliver and meanscalled into action by the revolution of the heads for forcing themtoward and from each other.

2. In a can-b'ody'flanging machine, the combination of a frame, arotating main shaft mounted therein, a pair of spiders carriedby theshaft, a pair of opposing flanging heads each having a stem slidablymounted in thespider, and each head having a portion of its inner, sideextended a substantial distance to form a segmental rest to receive andsupport the can-body, and further formedon its inner face with 9; head7, the cam-tracks 18 are car an annular groove and a tapering portionprojectlng a substantial distance from the inner wall of said groove,and beyond the and the channeled cam track in-Which the other of saidrollers travels.

3. A can-body flanging machine, includinga revoluble shaft, spiderscarried thereby, spindles slidable and non-turnable in said spider, andcarrying channeled flanging heads, said heads having central projectionsand-having a portion at one side ofthe projections extended beyond theinner face of the central projection, a chute to guide can-bodies intothe path of the heads, segmental rests on the heads upon which thecan-bodies are received and from which they subsequently drop to acentral position by the revolution of the carrier, rollers upon theflange head spindles, and fixed cams by which said rollers are actuated.

4.1 A can-body flanging machine, includ- I ing a revoluble shaft,spiders carried there by, spindles slidable and non-turnable in saidspider, and carrying channeled flanging heads, said heads having centralprojections and having a portion at one side of the projections extendedbeyond the inner face of the central projection, a chute to guidecan-bodies into the path of the heads, segmental rests on the heads uponwhich the can-bodies are received, and from which they subsequently dropto a central position by the revolution of the carrier, rollers upon theflange head spindles, fixed cams in which said rollers travel toreciprocate the heads, other rollers journaled transversely in thespindle ends, and thrust cams against which they travel. In testimonywhereof I have hereunto set my hand in the Witnesses.

FRANK J. SMITH.

Witnesses:

ZE A HASTINGS, M. V. COLLINS.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, I Washington, D. C.

